A disk 8.08 cm in radius rotates at a constant rate of 1 150 rev/min about its central axis.(a) Determine its angular speed.rad/s(b) Determine the tangential speed at a point 3.02 cm from its center.m/s(c) Determine the radial acceleration of a point on the rim.magnitudedirection ---Select---km/s2(d) Determine the total distance a point on the rim moves in 1.96 s.m

(a) 19.167 rev/s. (b) 57.884 cm/s (c) 2968.38 cm/s² (d) 113.45 cm. Explanation:Let's tackle each…

Answered: A disk 8.08 cm in radius rotates at a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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An ultracentrifuge accelerates from rest to 100,000 rpm in 2.50 min. (a) What is its angular acceleration in rad/s2? rad/s2 (b) What is the tangential acceleration (in m/s2) of a point 10.00 cm from the axis of rotation? m/s2 (c) What is the radial acceleration in m/s2 and multiples of g of this point at full rpm? a in m/s m/s2a as a multiple of g g
72; atan 6 The angular position of a polnt on the rim of a rotating wheel is given as a function of time: 0(t) = 3t2 + 5. where 0 is in radians. Find the radial (aed) and the tangentlal accelerations (atan) at t=2 seconds if the radius of the wheel is T=0.5m. Select one: O a. arad= O b. arad = 12; atan= 6 C. Arad 12: atan 24 %3D d. arad 6; atan = 6 = O e. arad = 72; atan= 3 %3D O f. arad 36: atan = 12 %3D O 8. arad 6; atan 12 %3D h. arad = 72; atan = 36
An ultracentrifuge accelerates from rest to 100,000 rpm in 2.30 min. (a) What is its angular acceleration in rad/s2? _________rad/s2 (b) What is the tangential acceleration of a point 10.7 cm from the axis of rotation?_________m/s2 (d) Express this radial acceleration as a multiple of g._________g
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(a) What is the magnitude of the tangential acceleration of a bug on the rim of a 10.5-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 76.0 rev/min in 3.60 s? ] m/s² (b) When the disk is at its final speed, what is the magnitude of the tangential velocity of the bug? m/s (c) One second after the bug starts from rest, what is the magnitude of its tangential acceleration? m/s² (d) One second after the bug starts from rest, what is the magnitude of its centripetal acceleration? m/s² (e) One second after the bug starts from rest, what is its total acceleration? (Take the positive direction to be in the direction of motion.) magnitude m/s² direction from the radially inward direction Need Help? Read It
(a) What is the magnitude of the tangential acceleration of a bug on the rim of a 12.5-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 77.0 rev/min in 3.30 s? m/s² (b) When the disk is at its final speed, what is the magnitude of the tangential velocity of the bug? m/s (c) One second after the bug starts from rest, what is the magnitude of its tangential acceleration? m/s² (d) One second after the bug starts from rest, what is the magnitude of its centripetal acceleration? m/s² (e) One second after the bug starts from rest, what is its total acceleration? (Take the positive direction to be in the direction of motion.) magnitude m/s² direction ° from the radially inward direction
1. An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min. (a) What is its angular velocity in radians per second? w = (b) Calculate the centripetal acceleration at its edge in meters per second squared a = (c) What is the linear speed of a point on its edge? V = innorting the weight of
An ultracentrifuge accelerates from rest to 100,000 rpm in 2.30 min. (a) What is its angular acceleration in rad/s2? _________rad/s2 (b) What is the tangential acceleration of a point 10.7 cm from the axis of rotation?_________m/s2 (c) What is the radial acceleration of this point at full rpm?_________m/s2 (d) Express this radial acceleration as a multiple of g._________g
A disk 8.02 cm in radius rotates at a constant rate of 1 260 rev/min about its central axis. (a) Determine its angular speed. rad/s (b) Determine the tangential speed at a point 2.90 cm from its center. m/s (c) Determine the radial acceleration of a point on the rim. magnitude km/s² direction ---Select--- (d) Determine the total distance a point on the rim moves in 2.02 s. m
2. A wheel of radius 20 cm is initially rotating at 12 rpm. It then speeds up at a constant rate, reaching a speed of 35 rpm after 3.1 seconds. a) What is the angular acceleration of the disk? b) How much does it rotate (in radians) while it is accelerating from 12 to 35 rpm?" c) What is total acceleration (in m/s?) of a point on the edge of the disk at the moment it has just started accelerating?|
Problem 12: A merry-go-round is a playground ride that consists of a large disk mounted to that it can freely rotate in a horizontal plane. The merry-go-round shown is initially at rest, has a radius R = 1.3 meters, and a mass M = 241 kg. A small boy of mass m = 46 kg runs tangentially to the merry-go-round at a speed of v = 1.8 m/s, and jumps on. Randomized Variables R = 1.3 meters M = 241 kg m = 46 kg v = 1.8 m/s

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